2013387280

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{2971}}^1$

素因数の和:3224

約数の個数: 80

約数和(自身を含む): 4815923904

約数和(自身を除く): 2802536624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 197, 215, 344, 394, 430, 688, 788, 860, 985, 1576, 1720, 1970, 2971, 3152, 3440, 3940, 5942, 7880, 8471, 11884, 14855, 15760, 16942, 23768, 29710, 33884, 42355, 47536, 59420, 67768, 84710, 118840, 127753, 135536, 169420, 237680, 255506, 338840, 511012, 585287, 638765, 677680, 1022024, 1170574, 1277530, 2044048, 2341148, 2555060, 2926435, 4682296, 5110120, 5852870, 9364592, 10220240, 11705740, 23411480, 25167341, 46822960, 50334682, 100669364, 125836705, 201338728, 251673410, 402677456, 503346820, 1006693640, 2013387280]

約数ペア:

[(1, 2013387280), (2, 1006693640), (4, 503346820), (5, 402677456), (8, 251673410), (10, 201338728), (16, 125836705), (20, 100669364), (40, 50334682), (43, 46822960), (80, 25167341), (86, 23411480), (172, 11705740), (197, 10220240), (215, 9364592), (344, 5852870), (394, 5110120), (430, 4682296), (688, 2926435), (788, 2555060), (860, 2341148), (985, 2044048), (1576, 1277530), (1720, 1170574), (1970, 1022024), (2971, 677680), (3152, 638765), (3440, 585287), (3940, 511012), (5942, 338840), (7880, 255506), (8471, 237680), (11884, 169420), (14855, 135536), (15760, 127753), (16942, 118840), (23768, 84710), (29710, 67768), (33884, 59420), (42355, 47536)]